Created
February 16, 2016 12:58
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Dynamic QDialog creating widgets from a python dictionary
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from PySide import QtGui | |
class QDictBox(QtGui.QDialog): | |
WIDGETS = {str: QtGui.QLineEdit, | |
unicode: QtGui.QLineEdit, | |
int: QtGui.QSpinBox, | |
float: QtGui.QDoubleSpinBox, | |
list: QtGui.QComboBox, | |
bool: QtGui.QCheckBox} | |
GETTERS = {QtGui.QLineEdit: "text", | |
QtGui.QSpinBox: "value", | |
QtGui.QDoubleSpinBox: "value", | |
QtGui.QComboBox: "currentText", | |
QtGui.QCheckBox: "isChecked"} | |
SETTERS = {QtGui.QLineEdit: "setText", | |
QtGui.QSpinBox: "setValue", | |
QtGui.QDoubleSpinBox: "setValue", | |
QtGui.QComboBox: "addItems", | |
QtGui.QCheckBox: "setChecked"} | |
VALIDATORS = {QtGui.QLineEdit: lambda x: bool(len(x)), | |
QtGui.QSpinBox: lambda x: True, | |
QtGui.QDoubleSpinBox: lambda x: True, | |
QtGui.QComboBox: lambda x: True, | |
QtGui.QCheckBox: lambda x: True} | |
@classmethod | |
def getValues(cls, parent, options, required=None, title=None): | |
d = cls(parent, options, required, title) | |
ok = d.exec_() | |
return d.values if ok else {} | |
def __init__(self, parent, options, required=None, title=None): | |
super(QDictBox, self).__init__(parent) | |
self.__widgets = dict() | |
self.__values = dict() | |
if title: | |
self.setWindowTitle(title) | |
self.required = required or list() | |
if len(options) == 1: | |
self.required.append(options.keys()[0]) | |
_firstWidget = None | |
formLayout = QtGui.QFormLayout() | |
for k, v in options.iteritems(): | |
if isinstance(v, (list, tuple)): | |
v = [str(x) for x in v] | |
label = QtGui.QLabel(beautifyText(k)) | |
widget = self.WIDGETS[type(v)]() | |
getattr(widget, self.SETTERS[type(widget)])(v) | |
if k in self.required: | |
label.setStyleSheet("color: red;") | |
self.__widgets[k] = (label, widget) | |
formLayout.addRow(label, widget) | |
if _firstWidget is None: | |
_firstWidget = widget | |
scrollArea = QtGui.QScrollArea() | |
scrollArea.setWidgetResizable(True) | |
scrollArea.setFrameShape(QtGui.QFrame.Shape(0)) # no frame | |
w = QtGui.QWidget() | |
w.setLayout(formLayout) | |
scrollArea.setWidget(w) | |
buttons = QtGui.QDialogButtonBox( | |
QtGui.QDialogButtonBox.Ok | QtGui.QDialogButtonBox.Cancel) | |
buttons.accepted.connect(self.accept) | |
buttons.rejected.connect(self.reject) | |
layout = QtGui.QVBoxLayout() | |
layout.addWidget(scrollArea) | |
layout.addWidget(buttons) | |
self.setLayout(layout) | |
_firstWidget.setFocus() | |
def accept(self): | |
for k, (label, widget) in self.widgets.iteritems(): | |
value = getattr(widget, self.GETTERS[type(widget)])() | |
self.__values[k] = value | |
for k in self.required: | |
value = self.values[k] | |
label, widget = self.widgets[k] | |
if not self.VALIDATORS[type(widget)](value) and widget.isVisible(): | |
widget.setFocus() | |
return | |
return super(QDictBox, self).accept() | |
@property | |
def widgets(self): | |
return self.__widgets | |
@property | |
def values(self): | |
return self.__values | |
def beautifyText(camelCasedText): | |
rval = "" | |
for i, ch in enumerate(camelCasedText): | |
if i == 0: | |
ch = ch.upper() | |
elif ch.isupper(): | |
ch = " " + ch | |
rval += ch | |
return rval |
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